Columbus Circle Capital Corp III (CCCTU) IPO — S-1 Filing, Stock & Insider Activity

Columbus Circle Capital Corp III IPO — Status & S-1 Filing

Track every registration update on the InsiderAlpha IPO tracker.

Updated Jul 16, 2026 · Last SEC filing 2026-07-13

Columbus Circle Capital Corp III (CCCTU) has filed 1 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-13. 1 Form 8-K material event filings were reported by CCCTU in the last 90 days. InsiderAlpha tracks every CCCTU SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About Columbus Circle Capital Corp III (CCCTU)

SEC CIK0002123471

90-Day SEC Filing Activity

Form 4 filings (90d)1
Form 8-K filings (90d)1
Latest Form 4 filing2026-07-13

Recent CCCTU Insider Transactions (Form 4)

DateInsiderRoleTransactionSharesPriceValueFiling
COLUMBUS CIRCLE 3 SPONSOR Corp LLC10% OwnerP — Open-market purchase265.0K$10.00$2.65MSEC

All transactions sourced from SEC EDGAR Form 4 filings for Columbus Circle Capital Corp III (CCCTU). Updated in real time as new filings are submitted to the SEC.

Most-Active CCCTU Insiders — Last 90 Days

InsiderForm 4 filingsTotal transaction value
COLUMBUS CIRCLE 3 SPONSOR Corp LLC1$2.65M

Recent CCCTU Form 8-K Material Events

Recent Insider Filings

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in CCCTU insider filings:

POpen-market purchase by the insider
SOpen-market sale by the insider
AGrant, award, or other acquisition from the issuer
MExercise or conversion of derivative security (e.g. options)
FPayment of exercise price or tax liability via share withholding
GBona-fide gift of securities
DDisposition to the issuer (e.g. share buyback participation)
JOther acquisition or disposition
XExercise of in-the-money or at-the-money derivative security
CConversion of derivative security
VTransaction voluntarily reported earlier than required

CCCTU Insider Trading — FAQ

What is the latest insider trade for CCCTU?
Columbus Circle Capital Corp III (CCCTU) had 1 insider filings in the last 90 days, with the most recent on 2026-07-13. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying CCCTU stock?
0 insider purchases of CCCTU were filed in the last 90 days.
How many insiders are selling CCCTU stock?
0 insider sales of CCCTU were filed in the last 90 days.
Where can I see CCCTU SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every CCCTU SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

Open the live CCCTU dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.